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Finding the Fourth Proportional to 48,810.65, 73,188.22 and 19,212.44

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Solution

The fourth proportional to 48,810.65, 73,188.22 and 19,212.44 is: 28,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.65 : 73,188.22 = 19,212.44 : x
  2. Step 2: Convert to fraction form
    48,810.65/73,188.22 = 19,212.44/x
  3. Step 3: Cross multiply
    48,810.65x = 73,188.22 × 19,212.44
  4. Step 4: Simplify right side
    48,810.65x = 1,406,124,285.46
  5. Step 5: Solve for x
    x = 1,406,124,285.46/48,810.65
  6. Step 6: Final answer
    x = 28,807.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.